Here are some examples of Oracle alter table syntax to modify data columns and note that you can add constraints like NOT NULL: ALTER TABLE customer MODIFY (cust_name varchar2(100) not null, cust_hair_color varchar2(20)) ;
Did Sir Isaac Newton write any books? His best known book is Principia (Philosophiae Naturalis Principia Mathematica) published in 1687; which includes his laws of motion. Edit
According to Biography, Isaac Newton's full name was Isaac Newton. He was born on Jan. 4, 1643, in Woolsthorpe, England, to Isaac Newton Sr. and Hannah Ayscough Newton. Continue Reading. As Biography Shelf explains, Isaac Newton was a passionate alchemist, chemist, theologian, mathematician, physicist and astronomer.